Lon-Sin-Del-Lon versus individual sectors

Don't know how to phrase the title. Mods please feel free to amend it[:I].
I am flying to Singapore for a medical meeting on 1st October, returning on the 9th, and would like to see my (old and ailing)parents in Delhi prior to returning to UK.
My question is:
Would it be better to go LHR-SIN-DEL-LHR by VS (7317-A380) or LHR-SIN-LHR (VS) with a break in between SIN-DEL-SIN by Jet Airways?
I have searched for cheap UC fares (VS is actually more expensive than SQ on the Virgin website!). The best I get is BA, but I would rather fly VS or SQ and am dying to experience the A380[8D].
Also, should I wait for cheaper fares and risk losing the flights I want, or is it better to book right away? On Opodo, I see a direct UC(D)fare for 3000 (the Jet fare to Del would cost an extra 1000), and a multi-stop for 3460. The Lon-Sin-Lon fare will be paid by the company organising the meeting (not sure if they will go for the cheapest UC fare available!), the rest comes from my pocket.
[:?]
Any thoughts welcome.
Best wishes
Raj
I am flying to Singapore for a medical meeting on 1st October, returning on the 9th, and would like to see my (old and ailing)parents in Delhi prior to returning to UK.
My question is:
Would it be better to go LHR-SIN-DEL-LHR by VS (7317-A380) or LHR-SIN-LHR (VS) with a break in between SIN-DEL-SIN by Jet Airways?
I have searched for cheap UC fares (VS is actually more expensive than SQ on the Virgin website!). The best I get is BA, but I would rather fly VS or SQ and am dying to experience the A380[8D].
Also, should I wait for cheaper fares and risk losing the flights I want, or is it better to book right away? On Opodo, I see a direct UC(D)fare for 3000 (the Jet fare to Del would cost an extra 1000), and a multi-stop for 3460. The Lon-Sin-Lon fare will be paid by the company organising the meeting (not sure if they will go for the cheapest UC fare available!), the rest comes from my pocket.
[:?]
Any thoughts welcome.
Best wishes
Raj